offer to show count to user

src/main.rs

@@ -47,7 +47,6 @@ fn interactive_play(args: Args) -> anyhow::Result<()> {
 
     loop {
         println!("\nMoney in the bank: ${bank}");
-        // TODO: show normalized card count
         if args.show_count {
             println!(
                 "Card count: {} ({})",
@@ -127,6 +126,7 @@ fn interactive_play_turn(
 ) -> anyhow::Result<Option<PlayerTurn>> {
     let mut initial_play = !turn.was_split;
     let mut other_turn = None;
+    let mut show_count = args.show_count;
 
     let term = Term::stdout();
     loop {
@@ -138,12 +138,15 @@ fn interactive_play_turn(
         if turn.shuffled {
             println!("Deck was shuffled");
         }
-        if args.show_count {
+        if show_count {
             println!(
                 "Card count: {} ({})",
                 table.count(),
                 table.count() / args.decks as i16
             );
+
+            // Reset to CLI arg value until user asks again
+            show_count = args.show_count;
         }
         println!("Your bet: ${}", turn.bet);
         println!("Dealer showing: {}", table.dealer_showing());
@@ -167,6 +170,10 @@ fn interactive_play_turn(
         if can_split {
             msg += ", s(p)lit";
         }
+        if !args.show_count {
+            // Not given via CLI args, so ask user
+            msg += ", show (c)ount";
+        }
         msg += "? ";
         io::stdout().write_all(msg.as_bytes())?;
         io::stdout().flush()?;
@@ -191,6 +198,7 @@ fn interactive_play_turn(
                 other_turn = Some(table.split(turn)?);
                 initial_play = false;
             }
+            'c' => show_count = true,
             _ => {}
         };
         if stop {